Write te structural formula and names of all four possible aldol condensation products from ethanal and propanal

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Solution

$C H_{3} C H O + C H_{3} C H_{2} C H O (i) N a O H - ---- \to (i i) Δ C H_{3} - C H = C H - C H O B u t - 2 - e n a l + C H_{3} C H_{2} C H = C | C H_{3} - C H O 2 - M e t h y l p e n t - 2 - e n a l$
$C H_{3} C H = C | C H_{3} - C H O 2 - M e t h y l p e n t - 2 - e n a l + C H_{3} C H_{2} C H = C H - C H O p e n t - 2 - e n a l$
The given reaction is an example of cross-aldol condensation.

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Write te structural formula and names of all four possible aldol condensation products from ethanal and propanal

CH3CHO+CH3CH2CHO(i)NaOH−−−−−→(ii)ΔCH3−CH=CH−CHOBut−2−enal+CH3CH2CH=C|CH3−CHO2−Methylpent−2−enal CH3CH=C|CH3−CHO2−Methylpent−2−enal+CH3CH2CH=CH−CHOpent−2−enalThe given reaction is an example of cross-aldol condensation.